I Colombo1, E Forapani2, C Spreafico2, C Capraro3, I Santilli2. 1. Neurology Department and Stroke Unit, Hospital of Desio, ASST Monza, Via Mazzini, 1, 20832, Desio, MB, Italy. irene_colombo@libero.it. 2. Neurology Department and Stroke Unit, Hospital of Desio, ASST Monza, Via Mazzini, 1, 20832, Desio, MB, Italy. 3. Neuroradiology Service, San Gerardo Hospital, ASST Monza, Via G. B. Pergolesi, 33, 20900, Monza, MB, Italy.